Hello all, We recently rebuilt our filesystem on 2.15.0 due to issues we were seeing on our legacy volume. The mds and oss-es are rhel 8.6 The mdt is zfs as are all the osts. We built from b2_15 to get the rhel 8.6 compat commits.
It's been working pretty well for the past week or so until we had a client crash earlier today. Said client wasn't able to access the mount when it came back so we decided to reboot the mds. The mounts for the mdts hung in llog_process_or_fork for about 25 minutes or so before actually beginning the mounting process and starting recovery. Similarly in two clients we had with connectivity issues with the filesystem and rebooted we see them stuck in llog_process_or_fork stack traces: client: [<0>] llog_process_or_fork+0x43c/0x560 [obdclass] [<0>] llog_process+0x10/0x20 [obdclass] [<0>] class_config_parse_llog+0x1e9/0x3e0 [obdclass] [<0>] mgc_process_cfg_log+0x709/0xd80 [mgc] [<0>] mgc_process_log+0x6c3/0x800 [mgc] [<0>] mgc_process_config+0xb53/0xe60 [mgc] [<0>] lustre_process_log+0x5fa/0xad0 [obdclass] [<0>] ll_fill_super+0x739/0x1190 [lustre] [<0>] lustre_fill_super+0xf4/0x4a0 [lustre] [<0>] mount_nodev+0x48/0xa0 [<0>] legacy_get_tree+0x27/0x40 [<0>] vfs_get_tree+0x25/0xb0 [<0>] do_mount+0x2e2/0x950 [<0>] ksys_mount+0xb6/0xd0 [<0>] __x64_sys_mount+0x21/0x30 [<0>] do_syscall_64+0x5b/0x1a0 [<0>] entry_SYSCALL_64_after_hwframe+0x65/0xca server: [<0>] llog_process_or_fork+0x43c/0x560 [obdclass] [<0>] llog_process+0x10/0x20 [obdclass] [<0>] class_config_parse_llog+0x1e9/0x3e0 [obdclass] [<0>] mgc_process_cfg_log+0x709/0xd80 [mgc] [<0>] mgc_process_log+0x6c3/0x800 [mgc] [<0>] mgc_process_config+0xb53/0xe60 [mgc] [<0>] lustre_process_log+0x5fa/0xad0 [obdclass] [<0>] ll_fill_super+0x739/0x1190 [lustre] [<0>] lustre_fill_super+0xf4/0x4a0 [lustre] [<0>] mount_nodev+0x48/0xa0 [<0>] legacy_get_tree+0x27/0x40 [<0>] vfs_get_tree+0x25/0xb0 [<0>] do_mount+0x2e2/0x950 [<0>] ksys_mount+0xb6/0xd0 [<0>] __x64_sys_mount+0x21/0x30 [<0>] do_syscall_64+0x5b/0x1a0 [<0>] entry_SYSCALL_64_after_hwframe+0x65/0xca any recommendations or insight would be appreciated Thanks Shane
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